Writing instrument



FIG. 1 is a perspective view of a writing instrument showing our newdesign;

FIG. 2 is a perspective view of the writing instrument shown by itselfwithout the cap for convenience;

FIG. 3 is left view thereof with the cap;

FIG. 4 is a right view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a back view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

CLAIM The ornamental design for a writing instrument, as shown anddescribed.